: Turning off an ICD does not cause immediate death. It simply ensures that the patient will not receive unnecessary shocks during their final moments.
Defibrillators (both external AEDs and internal ICDs) are life-saving tools designed to prevent sudden cardiac death (SCD) by restoring a normal heart rhythm through an electric shock. While they do not directly cause death, "defibrillator death" usually refers to situations where the device is deactivated during end-of-life care, fails due to technical issues, or is unable to stop a terminal cardiac event. End-of-Life & Deactivation defibrillator death
For patients with an who are terminally ill or nearing natural death, the device can become a burden rather than a benefit. : Turning off an ICD does not cause immediate death